How and Why?A series for curious children who want to learn interesting facts about everyday life—such as why the sea is blue, how airplanes stay in the air, and more.16 booksExplore by topic
Explore book series
How and Why?A series for curious children who want to learn interesting facts about everyday life—such as why the sea is blue, how airplanes stay in the air, and more.16 books
Race to SpaceThe race to space betweem USSR and USA. Russians where the first to send an astronaut.Age 7–123 books
Kai & Zoe AdventuresThe adventures of Kai & Zoe, exploring history, learning about new things and learning how to be better people - relax :)Age 6–101 booksExplore our adventures
KaiExplore our adventures
ZoeKai & ZoeExplore our adventures
EN610–12EN98–10 
EN38–10
EN79–11
EN99–11
EN410–12
EN510–12
EN710–12
EN510–12
EN710–12
EN1010–12
EN810–12
EN1010–12
EN1110–12
EN1010–12
EN910–12
EN810–12
EN510–12
EN1110–12
EN610–12
KaiExplore our adventuresZoeKai & ZoeExplore our adventuresTechnology37 books
10
10
EN610–12Race to the Moon
EN98–10The Door Beneath the Pyramid
EN38–10Tomorrow's Missing Robots
EN79–11The Village Where Time Stopped
EN99–11What If Robots Ran a City?
EN410–12The Race to the Moon
EN510–12Travel Before Cars
EN710–12Maps That Changed the World
EN510–12The Printing Press
EN710–12The First Writing
10
EN1010–12How Memory Works
EN810–12Amazing Technology and Inventions
EN1010–12How Artificial Intelligence Learns
EN1110–12The Story of the Computer
EN1010–12How Robots Follow Instructions
EN910–12How GPS Finds You
EN810–12How Video Games Are Made
EN510–12The Amazing 3D Printer
EN1110–12The Invention of the Telephone
EN610–12How Solar Panels Work
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